2120211308323 has 2 divisors, whose sum is σ = 2120211308324. Its totient is φ = 2120211308322.

The previous prime is 2120211308309. The next prime is 2120211308339. The reversal of 2120211308323 is 3238031120212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120211308323 - 2¹³ = 2120211300131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2120211308291 and 2120211308300.

It is not a weakly prime, because it can be changed into another prime (2120211300323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060105654161 + 1060105654162.

It is an arithmetic number, because the mean of its divisors is an integer number (1060105654162).

Almost surely, 2^{2120211308323} is an apocalyptic number.

2120211308323 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120211308323 is an equidigital number, since it uses as much as digits as its factorization.

2120211308323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 2120211308323 its reverse (3238031120212), we get a palindrome (5358242428535).

The spelling of 2120211308323 in words is "two trillion, one hundred twenty billion, two hundred eleven million, three hundred eight thousand, three hundred twenty-three".